201919900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22189}}^1$

素因数の和:22223

約数の個数: 72

約数和(自身を含む): 539305760

約数和(自身を除く): 337385860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 22189, 44378, 88756, 110945, 155323, 221890, 288457, 310646, 443780, 554725, 576914, 621292, 776615, 1109450, 1153828, 1442285, 1553230, 2019199, 2218900, 2884570, 3106460, 3883075, 4038398, 5769140, 7211425, 7766150, 8076796, 10095995, 14422850, 15532300, 20191990, 28845700, 40383980, 50479975, 100959950, 201919900]

約数ペア:

[(1, 201919900), (2, 100959950), (4, 50479975), (5, 40383980), (7, 28845700), (10, 20191990), (13, 15532300), (14, 14422850), (20, 10095995), (25, 8076796), (26, 7766150), (28, 7211425), (35, 5769140), (50, 4038398), (52, 3883075), (65, 3106460), (70, 2884570), (91, 2218900), (100, 2019199), (130, 1553230), (140, 1442285), (175, 1153828), (182, 1109450), (260, 776615), (325, 621292), (350, 576914), (364, 554725), (455, 443780), (650, 310646), (700, 288457), (910, 221890), (1300, 155323), (1820, 110945), (2275, 88756), (4550, 44378), (9100, 22189)]